Electron energy loss and cathodoluminescence in spheres
Electron energy loss (EELS) and photon emission (cathodoluminescence) for an electron passing near a homogeneous sphere.
See analytical theory in
F. J. García de Abajo and A. Howie, Phys. Rev. Lett.
80
, 5180 (1998);
F. J. García de Abajo, Phys. Rev. B
59
, 3095 (1999).
Dielectric function ε(ω)
Drude
Ag (J & C 1972)
Ag (Palik)
Al (Palik)
Al2O3 (Palik)
Au (J & C 1972)
Co (J & C 1974)
Cr
Cu (J & C 1972)
GaAs
Ge
MgO (Howie)
Ni (Palik)
Pt
Si (amor., Palik)
SiC (Palik)
SiO2 (glass, Palik)
For Drude:
ε(ω)=1-ω
p
2
/ω(ω+iη)
ω
p
(eV) =
η (eV) =
Geometry
under
consideration
Trajectory
Electron energy
E
0
(keV) =
a
(nm) =
b
(nm) =
(>
a
)
Other parameters
ω
min
(eV) =
ω
max
(eV) =
l
max
=
(maximum orbital momentum no. ≤ 20)
